12747028

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3323}}^1$

素因数の和:3471

約数の個数: 24

約数和(自身を含む): 25687872

約数和(自身を除く): 12940844

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3323, 3836, 6646, 13292, 23261, 46522, 93044, 455251, 910502, 1821004, 3186757, 6373514, 12747028]

約数ペア:

[(1, 12747028), (2, 6373514), (4, 3186757), (7, 1821004), (14, 910502), (28, 455251), (137, 93044), (274, 46522), (548, 23261), (959, 13292), (1918, 6646), (3323, 3836)]